Home / 3,806.19-5,250.15-2,406.51

Finding the Fourth Proportional to 3,806.19, 5,250.15 and 2,406.51

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Solution

The fourth proportional to 3,806.19, 5,250.15 and 2,406.51 is: 3,319.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.19 : 5,250.15 = 2,406.51 : x
  2. Step 2: Convert to fraction form
    3,806.19/5,250.15 = 2,406.51/x
  3. Step 3: Cross multiply
    3,806.19x = 5,250.15 × 2,406.51
  4. Step 4: Simplify right side
    3,806.19x = 12,634,538.48
  5. Step 5: Solve for x
    x = 12,634,538.48/3,806.19
  6. Step 6: Final answer
    x = 3,319.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.